arcgis python获得别名

import arcpy

# Create a Describe object from the GDB table.
#
desc = arcpy.Describe(r"C:\Users\dell\Documents\ArcGIS\Default.gdb\dltb")

# Print GDB Table properties
#
print "%-22s %s" % ("AliasName:", desc.aliasName)
print "%-22s %s" % ("DefaultSubtypeCode:", desc.defaultSubtypeCode)
print "%-22s %s" % ("GlobalIDFieldName:", desc.globalIDFieldName)
print "%-22s %s" % ("ModelName:", desc.modelName)
print "%-22s %s" % ("RasterFieldName:", desc.rasterFieldName)
print "%-22s %s" % ("RelationshipClassNames:", desc.relationshipClassNames)